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diff --git a/bgpd/bgp_bfd.h b/bgpd/bgp_bfd.h
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+++ b/bgpd/bgp_bfd.h
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+/**
+ * bgp_bfd.h: BGP BFD definitions and structures
+ *
+ * @copyright Copyright (C) 2015 Cumulus Networks, Inc.
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _QUAGGA_BGP_BFD_H
+#define _QUAGGA_BGP_BFD_H
+
+#define PEER_IS_MULTIHOP(peer)                                                 \
+	((((peer)->sort == BGP_PEER_IBGP) && !(peer)->shared_network)          \
+	 || is_ebgp_multihop_configured((peer)))
+
+extern void bgp_bfd_init(struct thread_master *tm);
+
+extern void bgp_bfd_peer_config_write(struct vty *vty, const struct peer *peer,
+				      const char *addr);
+
+/**
+ * Show BFD information helper.
+ *
+ * \param vty the VTY pointer.
+ * \param peer the BGP configuration pointer.
+ * \param use_json unused.
+ * \param json_neigh JSON object when called as JSON command.
+ */
+extern void bgp_bfd_show_info(struct vty *vty, const struct peer *peer,
+			      json_object *json_neigh);
+
+/**
+ * When called on a group it applies configuration to all peers in that group,
+ * otherwise just applies the configuration to a single peer.
+ *
+ * This function should be called when configuration changes either on group
+ * or peer.
+ *
+ * \param p the BGP peer pointer.
+ * \param pg the BGP group to copy configuration from (it is usually
+ *           `p->group` exception when copying new group configuration
+ *           see `peer_group2peer_config_copy` function case).
+ */
+extern void bgp_peer_config_apply(struct peer *p, struct peer_group *pg);
+
+/**
+ * Allocates and configure BFD session for peer. If it is already configured,
+ * then it does nothing.
+ *
+ * Always call `bgp_peer_config_apply` afterwards if you need the changes
+ * immediately applied.
+ */
+extern void bgp_peer_configure_bfd(struct peer *p, bool manual);
+
+/**
+ * Removes BFD configuration from either peer or peer group.
+ */
+extern void bgp_peer_remove_bfd_config(struct peer *p);
+
+/**
+ * Special function to handle the case of changing source address. This
+ * happens when the peer/group is configured with `neigbor X update-source Y`.
+ */
+extern void bgp_peer_bfd_update_source(struct peer *p);
+
+#endif /* _QUAGGA_BGP_BFD_H */